Portion of a shoe upper



FIG. 1 is a perspective view of a portion of a shoe upper showing my new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a side elevational view shown with broken line representations of stripe elements.

The broken lines immediately adjacent to the shaded area in all the figures represent the bounds of the claimed design. The broken lines within the bounds of the claimed design in FIG. 6, and the broken line showing of the remainder of the shoe in all the figures are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a portion of a shoe upper, as shown and described. 